* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
body {
  background-color: #f8f8f8;
}
#app {
  font-size: 14px;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  .van-icon-arrow-left {
    color: #666;
  }
  .wrapper {
    padding: 10px;
  }
}
a {
  color: #333;
  -webkit-tap-highlight-color: transparent;
}